Home / 23,023.50-31,759.47-15,063.90

Finding the Fourth Proportional to 23,023.50, 31,759.47 and 15,063.90

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Solution

The fourth proportional to 23,023.50, 31,759.47 and 15,063.90 is: 20,779.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,023.50 : 31,759.47 = 15,063.90 : x
  2. Step 2: Convert to fraction form
    23,023.50/31,759.47 = 15,063.90/x
  3. Step 3: Cross multiply
    23,023.50x = 31,759.47 × 15,063.90
  4. Step 4: Simplify right side
    23,023.50x = 478,421,480.13
  5. Step 5: Solve for x
    x = 478,421,480.13/23,023.50
  6. Step 6: Final answer
    x = 20,779.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.